Malware Analysis Report

2024-11-30 02:19

Sample ID 241120-w5k6xs1aja
Target raccountinfo.exe
SHA256 6e1eae1956b88b63424332497efd90f7eb9473d0149cd0950fd2267499274242
Tags
rhadamanthys discovery stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6e1eae1956b88b63424332497efd90f7eb9473d0149cd0950fd2267499274242

Threat Level: Known bad

The file raccountinfo.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys discovery stealer

Rhadamanthys

Rhadamanthys family

Suspicious use of NtCreateUserProcessOtherParentProcess

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 18:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 18:30

Reported

2024-11-20 18:32

Platform

win10v2004-20241007-en

Max time kernel

79s

Max time network

82s

Command Line

sihost.exe

Signatures

Rhadamanthys

stealer rhadamanthys

Rhadamanthys family

rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 1652 created 2832 N/A C:\Users\Admin\AppData\Local\Temp\raccountinfo.exe C:\Windows\system32\sihost.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\raccountinfo.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\raccountinfo.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\openwith.exe N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\raccountinfo.exe

"C:\Users\Admin\AppData\Local\Temp\raccountinfo.exe"

C:\Windows\SysWOW64\openwith.exe

"C:\Windows\system32\openwith.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1652 -ip 1652

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 704

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp

Files

memory/1652-0-0x0000000002670000-0x00000000026EE000-memory.dmp

memory/1652-1-0x0000000003860000-0x0000000003C60000-memory.dmp

memory/1652-2-0x0000000003860000-0x0000000003C60000-memory.dmp

memory/1652-3-0x0000000003860000-0x0000000003C60000-memory.dmp

memory/1652-4-0x00007FFDDEB50000-0x00007FFDDED45000-memory.dmp

memory/1652-5-0x0000000003860000-0x0000000003C60000-memory.dmp

memory/2204-8-0x0000000000AF0000-0x0000000000AF9000-memory.dmp

memory/1652-7-0x0000000076AF0000-0x0000000076D05000-memory.dmp

memory/2204-11-0x0000000002600000-0x0000000002A00000-memory.dmp

memory/2204-12-0x00007FFDDEB50000-0x00007FFDDED45000-memory.dmp

memory/2204-14-0x0000000076AF0000-0x0000000076D05000-memory.dmp

memory/2204-15-0x0000000002600000-0x0000000002A00000-memory.dmp

memory/1652-16-0x0000000003860000-0x0000000003C60000-memory.dmp

memory/2204-17-0x0000000002600000-0x0000000002A00000-memory.dmp